why bay area lawmakers say action is needed now. >> and temperatures are falling all across the bay area. how low are we going to go? we'll tell ya, coming up. >> we have a new accident in napa plus roadwork may slow you down this morning. >>> good morning, everyone. it's tuesday, december 18. i'm michelle griego. >> i'm brian hackney. frank is off this week. the time now straight up 5:00. >>> students return to class in newtown, connecticut today except for the students of sandy hook elementary school. >> that campus will be a crime scene indefinitely after friday as mass shooting. investigators st